body,ol,ul,h1,h2,h3,h4,h5,h6,p,dl,dd,dt,form,fieldset,legend,input,figure,figcaption{
    margin:0;
    padding:0;
}
body{
   font-size: 16px;
}
h1,h2,h3,h4,h5,h6{
    font-weight: normal;
}
em,i{
    font-style: normal;
}
b,strong{
    font-weight: 500;
}
a,u{
    text-decoration: none;
}
li,ul,ol{list-style: none;}
input{outline: none;}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clear::after{
    content: "";
    display: block;
    clear: both;
}
img{
    vertical-align: top;
}
html,body{
    width: 100%;
}